WO2023101452A1 - Générateur d'aérosol portatif - Google Patents

Générateur d'aérosol portatif Download PDF

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Publication number
WO2023101452A1
WO2023101452A1 PCT/KR2022/019300 KR2022019300W WO2023101452A1 WO 2023101452 A1 WO2023101452 A1 WO 2023101452A1 KR 2022019300 W KR2022019300 W KR 2022019300W WO 2023101452 A1 WO2023101452 A1 WO 2023101452A1
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WO
WIPO (PCT)
Prior art keywords
cigarette
pipe
heater
type electronic
electronic cigarette
Prior art date
Application number
PCT/KR2022/019300
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English (en)
Korean (ko)
Inventor
권수일
Original Assignee
주식회사 이노아이티
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Publication of WO2023101452A1 publication Critical patent/WO2023101452A1/fr

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A24F40/465—Shape or structure of electric heating means specially adapted for induction heating
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/51—Arrangement of sensors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/57—Temperature control
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/70—Manufacture
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
    • H05B3/50—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/36—Coil arrangements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves

Definitions

  • the present invention relates to a portable aerosol generator, and more particularly, to a portable aerosol generator that can improve both heating efficiency and sensory features by introducing heated air into a cigarette-type electronic cigarette.
  • slurry leaf sheet which is the main raw material of a tobacco medium
  • tobacco medium containing a liquid such as glycerin is sensitive to the humidity of the surrounding environment due to its hydrophilicity, making it difficult to control the manufacturing process environment.
  • a method of heating a cigarette-type electronic cigarette by inserting a currently commercialized cigarette-type electronic cigarette into a portable aerosol generator is a blade-type heater or a needle-shaped heater into the inside of the cigarette-type electronic cigarette according to the heating position of the cigarette-type electronic cigarette
  • a method in which a blade-type susceptor is inserted to heat the cigarette-type electronic cigarette while heat is transferred from the inside to the outside, and a heating pipe into which the cigarette-type electronic cigarette is inserted is heated and the heating pipe contacts the outside of the cigarette-type electronic cigarette.
  • FIG. 1 shows a portable aerosol generator of the prior art.
  • the portable aerosol generator 10 includes a heater 14 that generates heat by resistance when current is applied, and the heater 14 instantaneously
  • a battery 16 capable of supplying high power and a microcontroller 15 for controlling the heater 14 are included.
  • the heater 14 generates an aerosol by heating the cigarette type electronic cigarette accommodated in the cavity 13.
  • the heater 14 is heated to vaporize the inhaled material inside the cigarette type electronic cigarette 11, and the user It is possible to inhale the vaporized inhalation material through the filter unit of the cigarette type electronic cigarette 11 .
  • the inside of the cigarette 11 can be effectively heated, but there is a problem in that the outside and near the outside of the cigarette 11 are not heated well. there is. In addition, it is inconvenient to clean the residues of the suction material attached to the heater 14 after use.
  • Korean Patent Laid-open Publication No. 10-2020-0109705 discloses a heating pipe into which a cigarette-type electronic cigarette, which is an aerosol-generating substrate, can be inserted; a heating pattern formed on the surface of the heating pipe; and pad portions formed at both ends of the heating pattern circuit, to which power lines can be soldered.
  • the method of heating the outside of the aerosol-generating substrate inserted into the heating pipe in the heater structure as described above can effectively heat the outside and the portion near the outside of the aerosol-generating substrate, but the inner central portion of the aerosol-generating substrate is not heated well. There is a problem that doesn't.
  • the entire cross-sectional area of the cigarette can be used for aerosol generation because it burns uniformly from the end section of the tobacco cigarette toward the filter part during combustion, but a portable aerosol generator that heats the current cigarette-type electronic cigarette As described above, there was a problem in that the entire cross-sectional area of the cigarette-type electronic cigarette did not contribute to aerosol generation.
  • the embodiment was made to solve the above-mentioned needs of the prior art, and heated air was drawn into the cigarette-type electronic cigarette, so that most of the aerosol-generating substrate of the cigarette-type electronic cigarette was aerosol over the entire cross-sectional area and entire length of the cigarette-type electronic cigarette. It is an object of the present invention to improve the heating characteristics and sensory characteristics of a portable aerosol generator by contributing to the generation of
  • the embodiment contributes to the generation of aerosol through most of the aerosol-generating substrate of the cigarette-type electronic cigarette over the entire cross-sectional area and entire length of the cigarette-type electronic cigarette, like conventional combustion-type cigarettes, so that the reusable cigarette-type electronic cigarette is satisfactory. Its purpose is to prevent generation of aerosols, to prevent users from feeling the need to reuse cigarette-type electronic cigarettes, and to prevent waste of resources.
  • a first cylinder-shaped cavity corresponding to the external shape of the cigarette-type electronic cigarette into which at least a part of the cigarette-type electronic cigarette having an upper filter part and a lower part opposite thereto can be inserted; a first heater capable of heating the cigarette type electronic cigarette inserted into the cavity; a second cylinder-shaped airflow path having a smaller diameter than the first cylinder, in fluid communication with the lower portion of the cavity, to provide airflow into the lower end of the electronic cigarette when a user puffs the electronic cigarette;
  • a portable aerosol generator that includes a second heater for heating air, and introduces the air heated by the second heater into the lower end of the cigarette type electronic cigarette through an air flow path.
  • the first heater is a susceptor pipe made of a ferromagnetic or metal material, and an induction coil is provided around the susceptor pipe so that the susceptor pipe is inductively heated to heat the cigarette-type electronic cigarette inserted into the susceptor pipe.
  • the first heater is a metal pipe, and may be heated by a resistance heating element provided in the metal pipe to heat a cigarette type electronic cigarette inserted into the metal pipe.
  • a first heater may be located inside a cigarette-type electronic cigarette inserted into the cavity, the first heater being inductively heated by an induction coil provided around the cavity or provided to the first heater. It is heated by the resistance heating element to heat the cigarette type electronic cigarette inserted into the cavity.
  • the second heater is a susceptor pipe made of a ferromagnetic material or a metal, and an induction coil is provided around the susceptor pipe so that the susceptor pipe is inductively heated to heat air flowing through the susceptor pipe.
  • the second heater is a metal pipe, and may be heated by a resistance heating element provided in the metal pipe to heat air flowing through the metal pipe.
  • the second heater may be a resistance heating heater provided on the air flow path.
  • the second heater may be a radiant heat heater provided on the air flow path.
  • the second heater may be a microwave heater provided on the air flow path.
  • the air flow path is formed in an elongated pipe shape so as to be in fluid communication with the air inlet hole on the opposite side of the cavity, and the second heater heats the air flowing through the air flow path on the air flow path to pass the heated air through the air flow path. Through this, it can be drawn into the lower part of the cigarette type electronic cigarette.
  • the air flow path is formed to be in fluid communication with the air inlet hole on one side of the cavity, and the second heater heats the air flowing in the space between the air inlet hole and the air flow path to pass the heated air through the air flow path to the cigarette. It can be introduced into the lower part of the molded electronic cigarette.
  • the cavity is defined by a first pipe having a first diameter corresponding to a diameter of a cigarette-type electronic cigarette inserted into the cavity, and the airflow path is a second pipe of a second diameter smaller than the first diameter.
  • pipes connecting between the first pipe and the second pipe, connecting a first side wall corresponding to a first diameter, a second side wall corresponding to a second diameter and connecting the first side wall and the second side wall, It may include a connecting portion having a flat portion in contact with the outer periphery of the lower end of the cigarette-type electronic cigarette inserted into the cigarette.
  • first pipe and the connection part may be integrally formed, the connection part and the second pipe may be integrally formed, or the first pipe, the connection part and the second pipe may be integrally formed.
  • a third heater for heating the flat portion of the connection portion may be further included.
  • a lower end of the first pipe and a housing enclosing the connection portion and the second pipe are provided to connect and install the first pipe, the connection portion, and the second pipe, and a sealing portion is provided to prevent leakage of air therebetween.
  • it further includes a puffing sensor that recognizes the user's puffing, but the second heater may operate during the user's puffing.
  • it further includes a puffing sensor that recognizes the user's puffing, but the second heater operates in the first and second half of the number of puffs according to one-time use of the cigarette-type electronic cigarette and may not operate in the middle. .
  • it further includes a puffing sensor that recognizes the user's puffing, and the second heater operates when the user puffs, but the first and second half of the number of puffings according to one-time use of the cigarette-type electronic cigarette 2
  • the heater may work and may not work in the middle.
  • the inside and outside of the cigarette can be efficiently heated by including a pipe and a heater for heating the outside of the cigarette, a pipe for introducing outside air to heat the inside of the cigarette, and a heater for heating the drawn air.
  • heated air is introduced into the cigarette-type electronic cigarette so that most of the aerosol-generating substrate of the cigarette-type electronic cigarette over the entire cross-sectional area and the entire length of the cigarette-type electronic cigarette contributes to the generation of aerosol, so that the portable aerosol generator Heating properties and sensory properties can be improved.
  • most of the aerosol-generating substrate of the cigarette-type electronic cigarette is contributed to the generation of aerosol over the entire cross-sectional area and the entire length of the cigarette-type electronic cigarette, as in conventional combustion-type cigarettes, so that reusable cigarette-type electronic cigarettes are It is possible to prevent generation of satisfactory aerosols, prevent users from feeling the need to reuse tobacco-type electronic cigarettes, and prevent waste of resources.
  • FIG. 1 is a schematic cross-sectional view of one embodiment of a portable aerosol generator of the prior art
  • FIG. 2 schematically shows a portable aerosol generator to which the present invention can be applied
  • FIG. 3 is a view for explaining a case in which an induction heating method is applied in a heating system of a portable aerosol generator according to an embodiment of the present invention
  • FIG. 4 is a view for explaining a case in which an induction heating method and a resistance heating method are applied in a heating system of a portable aerosol generator according to another embodiment of the present invention
  • FIG. 5 is a view for explaining a case in which an induction heating method and a resistance heating method are applied in a heating system of a portable aerosol generator according to another embodiment of the present invention
  • FIG. 6 is a view for explaining the concept of a case where a resistance heating method is applied in a heating system of a portable aerosol generator according to another embodiment of the present invention
  • FIG. 7 is a view for explaining the concept of another case in which a resistance heating method is applied in a heating system of a portable aerosol generator according to another embodiment of the present invention.
  • FIG. 8 is a view for explaining the concept of another case in which a resistance heating method of a heating system of a portable aerosol generator according to another embodiment of the present invention is applied;
  • FIG. 9 is an ACM graph showing a case where the inlet air is heated in comparison with a case where it is not heated according to an embodiment of the present invention.
  • FIG. 10 is a sensory radar chart showing a case where the inlet air is heated in comparison with a case where it is not heated according to an embodiment of the present invention.
  • the technology of the embodiment relates to an electronic cigarette in which a dedicated stick containing tobacco leaves is inserted into a device and heated to inhale vapor.
  • 'cigarette type electronic cigarette' refers to such a dedicated stick, and vapor is released by heating the dedicated stick.
  • the generating device is referred to as a 'portable aerosol generating device'.
  • Exclusive sticks that can be used by plugging into portable aerosol generators currently sold under brands such as IQOS, GLO, and LIL correspond to 'cigarette-type electronic cigarettes'.
  • FIG. 2 is a diagram schematically showing a portable aerosol generator to which the present invention can be applied
  • FIG. 3 is for explaining a case in which an induction heating method is applied in a heating system of a portable aerosol generator according to an embodiment of the present invention
  • FIG. 4 is a view for explaining a case in which an induction heating method and a resistance heating method are applied in a heating system of a portable aerosol generator according to another embodiment of the present invention
  • FIG. 5 is a view according to another embodiment of the present invention.
  • 6 is a view for explaining a case in which an induction heating method and a resistance heating method are applied in a heating system of a portable aerosol generator
  • FIG. 4 is a view for explaining a case in which an induction heating method and a resistance heating method are applied in a heating system of a portable aerosol generator
  • FIG. 5 is a view according to another embodiment of the present invention
  • 6 is a view for explaining a case in which an induction heating method and a resistance heating method are
  • FIG. 6 is a case in which a resistance heating method is applied in a heating system of a portable aerosol generator according to another embodiment of the present invention.
  • 7 is a view for explaining the concept of another case in which a resistance heating method is applied in the heating system of a portable aerosol generator according to another embodiment of the present invention
  • FIG. 8 is a view for explaining the concept of It is a view for explaining the concept of another case in which the resistance heating method of the heating system of the portable aerosol generator according to another embodiment is applied.
  • the portable aerosol generator 1000 in a state where the cigarette 110 is inserted, the cigarette 110 is heated by a heater (not shown) as a heating means to generate aerosol, as a power supply means Including the battery 200, and including the microcontroller 300 as a control means, power is supplied from the battery 200 to the heater under the control of the microcontroller 300 to heat the cigarette 110.
  • a heater not shown
  • the microcontroller 300 as a control means
  • the portable aerosol generator is a cigarette-type electronic cigarette into which at least a part of a cigarette-type electronic cigarette 110 having an upper filter part and a lower part opposite thereto can be inserted.
  • a first cylindrical cavity Corresponding to the outer shape, a first cylindrical cavity; a first heater 120 capable of heating the cigarette type electronic cigarette 110 inserted into the cavity; A second cylinder-shaped airflow path of smaller diameter than the first cylinder in fluid communication with the lower portion of the cavity to provide air flow into the lower end of the electronic cigarette 120 when a user puffs the electronic cigarette. and;
  • a second heater 520 for heating air is included, and the air heated by the second heater is introduced into the lower end of the cigarette type electronic cigarette 110 through an air flow path.
  • the first heater 120 is a susceptor pipe 120 made of ferromagnetic material or metal and functions as a heating element, and an induction coil 140 is provided around the susceptor pipe 120.
  • the susceptor pipe 120 is induction heated to heat the cigarette type electronic cigarette 110 inserted into the susceptor pipe 120.
  • the cigarette-type electronic cigarette 110 has a filter unit at the top, a tobacco rod indicated by hatching, and may include a paper tube rod between the filter unit and the tobacco rod.
  • a fixing force is applied by the cigarette fixing rubber 190, and the cigarette-type electronic cigarette 110 does not easily fall out while being inserted into the susceptor pipe 120.
  • a tube 130 made of plastic such as PEEK is provided, an induction coil 140 is wound around the outer surface of the tube 130, and a magnetic shield 150 is placed outside the induction coil 140. It surrounds the coil 140.
  • the user puffs the aerosol generated inside the cigarette-type electronic cigarette 110 through the filter of the cigarette-type electronic cigarette 110 be able to
  • the susceptor pipe 120 functions as a heating source
  • heating starts from the inside of the surface of the cigarette-type electronic cigarette 110 in contact with the susceptor pipe 120, and the filled inside the cigarette-type electronic cigarette 110
  • the aerosol-forming base material containing the tobacco body and glycerin is heated to generate an aerosol. Heat is transferred from the side to the radial direction, but since the heat transfer in the filled aerosol-forming base material is not smooth, the aerosol-forming base material in the center is sufficiently aerosolized. can't be
  • the portable aerosol generator in addition to the first heater 120 such as the air heater susceptor pipe 120 described above, is a cigarette-type electronic cigarette inserted into a common air heater susceptor pipe 120 It includes a second heater 520, which functions as an air heater, providing heated air flow to the inside of the lower end of 110.
  • the second heater 520 which functions as an air heater, functions as a heating element with a susceptor pipe 520 made of ferromagnetic material or metal, and an induction coil 540 is provided around the susceptor pipe,
  • the air heater susceptor pipe 520 is inductively heated to heat air flowing through the air heater susceptor pipe 520 to 130 to 180° C.
  • the inlet air is introduced into the device through an inlet hole formed at the lower end of FIG. 3, for example, and is heated while flowing through the air heater susceptor pipe 520, so that the heated air is supplied to the user by the cigarette-type electronic cigarette 110 ) flows into the inside of the lower end of the cigarette type electronic cigarette 110 when puffing.
  • an air heater induction coil 540 is provided to surround the air heater susceptor pipe 520 and an air heater magnetic shield 550 is provided to surround it, and the air heater susceptor pipe 520 and An airflow pipe 570 is provided in fluid communication.
  • Air flow pipe 570 - A fan 580 for generating forced flow may be installed on the air flow path that is in fluid communication with the air heater susceptor pipe 520.
  • the diameter of the first cylinder corresponding to the susceptor pipe 120 into which the cigarette type electronic cigarette is inserted is larger than the diameter of the second cylinder corresponding to the air heater susceptor pipe 520 . Accordingly, the heated air flowing through the air flow path can be introduced into the lower end of the cigarette-type electronic cigarette, and heat transfer from the susceptor pipe 120 is carried out from the outer circumference of the cigarette-type electronic cigarette to the inside along the radial direction. Therefore, the problem of insufficient aerosolization in the central portion can be solved by introducing heated air into the lower portion of the cigarette type electronic cigarette.
  • the cavity is defined by the susceptor pipe 120, which is a first pipe having a first diameter corresponding to the diameter of a cigarette-type electronic cigarette inserted into the cavity, and the airflow path is smaller than the first diameter.
  • the diameter is defined by the air heater susceptor pipe 520, which is the second pipe of the second diameter, and connects between the first pipe, which is the susceptor pipe 120, and the second pipe 520, which is the air heater susceptor pipe, , A first sidewall corresponding to a first diameter, a second sidewall corresponding to a second diameter, and a flat portion connecting the first sidewall and the second sidewall and contacting the lower outer periphery of the cigarette-type electronic cigarette inserted into the cavity, It includes a connection part 160.
  • the susceptor pipe 120 is inserted into the first sidewall of the connection part 160, and the air heater susceptor pipe 520 is inserted into the second sidewall of the connection part 160.
  • An air heater housing 560 enclosing the susceptor pipe 120, the connecting portion 160, and the air heater susceptor pipe 520 is provided, and a sealing portion 170 preventing leakage of air between them is also provided.
  • the susceptor pipe 120, the connection part 160, and the air heater susceptor pipe 520 are formed of different members, the susceptor pipe 120 and the air heater susceptor pipe 520 are heated at different times. We can reduce our influence on each other.
  • the first pipe which is the susceptor pipe 120, and the connecting portion may be integrally formed, and by heating the susceptor pipe 120, the connecting portion 160 is also heated, thereby creating a cigarette-type electronic cigarette 110 The lower part of the can be heated together.
  • the connection portion and the second pipe which is the air heater susceptor pipe 520, may be integrally formed, so that the connection portion 160 is also heated by heating the air heater susceptor pipe 520, thereby providing a cigarette-type electronic cigarette ( 110) may be heated together.
  • the first pipe, which is the susceptor pipe 120, the connecting portion 160, and the second pipe, which is the air heater susceptor pipe 520 may be integrally formed.
  • the air heater susceptor pipe 520 is heated, and according to the heating of the air heater susceptor pipe 520, the susceptor pipe 120 may be heated.
  • This type is As will be described later, it will be suitable for operating the air heater constantly rather than intermittently operating the air heater according to the user's puffing.
  • a third heater for heating the flat portion of the connecting portion may be additionally included at the flat portion position of the sealing portion 170 of FIG. 3, so that the outer circumferential portion of the lower end of the cigarette type electronic cigarette can be effectively heated.
  • the air flow path is formed in a long pipe shape to communicate fluidly with the air inlet hole on the opposite side of the cavity, and the second heater 520 is the air flowing through the air flow path on the air flow path.
  • the heated air can be introduced into the lower end of the cigarette type electronic cigarette 110 through the air flow path.
  • the second heater 520 is a metal pipe and is heated by the resistance heating element 530 provided in the metal pipe to heat air flowing through the metal pipe.
  • the resistance heating element 530 is conceptually shown in the drawing, but may be a planar heating element provided on the surface of a metal pipe or a heating pattern. Since both resistance heats up, an insulating coating is provided on the surface of the metal pipe to prevent a short circuit, and a planar heating element or heating pattern, which is a resistance heating element, must be provided thereon.
  • a method of fixing a heating element structure in which a planar heating element or a heating pattern is formed on an insulating film such as a polyimide film by surrounding a metal pipe with an insulating sheath may be applied.
  • the second heater 535 may be a coil-shaped resistance heating heater provided on the air flow path, and air flowing through the air flow path 520 by the coil-shaped resistance heating heater. can be heated.
  • Other configurations are the same as those of the embodiment shown in FIG. 3 .
  • the second heater may be a radiant heat heater provided on the air flow path, and the second heater may be a microwave heater provided on the air flow path.
  • the first heater 120 is a metal pipe 120, heated by a resistance heating element 125 provided in the metal pipe 120, and inserted into the metal pipe 120.
  • a first heater 132a which may heat the cigarette type electronic cigarette 110 and may be located inside the cigarette type electronic cigarette 110 inserted into the cavity, as in the other embodiments shown in FIGS. 7 and 8 ), wherein the first heater 132a is induction heated by an induction coil (not shown) provided around the cavity or heated by a resistance heating element (not shown) provided to the first heater 132a, The cigarette type electronic cigarette 110 inserted into the cavity may be heated.
  • the above embodiment is to show that the method of heating the cigarette-type electronic cigarette 110 stick can be changed, and the air heater assembly shown in FIGS. 3 to 5 is the cigarette-type electronic cigarette shown in FIGS. 6 to 8 It is also possible to combine 110 with a heating assembly for heating.
  • the cigarette-type electronic cigarette stick used in the device having the susceptor pipe of the induction heating method corresponding to the external heating method has a relatively thin and long shape as described above, and a blade or needle-type internal insertion type
  • the cigarette-type electronic cigarette stick used in the device having the heaters 132a and 132b has a relatively thick and short shape, and as described above in the electronic stick, when heated air is introduced into the lower end of the stick, Similar to the improvement in ACM properties and sensory properties that can be obtained in the latter stick, similar improvements in ACM properties and sensory properties can be obtained when heated air is introduced into the lower end of the stick.
  • FIG. 7 and 8 are conceptual diagrams, so there is no configuration in which the blade or needle type heater is in contact with the stick, but the heated air drawn into the lower end of the stick bypasses these supports and is drawn into the outer periphery of the stick or the support
  • the heated air drawn into the lower end of the stick bypasses these supports and is drawn into the outer periphery of the stick or the support
  • the air flow path 522 is formed to be in fluid communication with the air inlet holes (122a, 122b, 122c) on one side of the cavity, the second heater 530 is connected to the air inlet hole
  • the air flowing through the space 560 between the air flow passes may be heated and the heated air may be introduced into the lower portion of the cigarette type electronic cigarette 110 through the air flow pass 522 .
  • the air introduced through the air inlet hole 122a formed near the inlet of the stick of the cigarette type electronic cigarette 110 flows along the vicinity of the heater for heating the stick by the second heater 530 provided separately.
  • FIG. 7 is a second heater 530 provided separately while the air introduced through the air inlet hole 122b formed near the inlet of the stick of the cigarette type electronic cigarette 110 flows along the heater for heating the stick. It is heated and introduced into the air flow path 522 through the air hole 524b and introduced into the lower end of the stick, and FIG.
  • FIGS. 7 and 8 show an air inlet hole 122c formed near the lower end of the stick of the cigarette type electronic cigarette 110
  • the air introduced through flows along the periphery of the heater for heating the stick, is heated by the separately provided second heater 530, and is introduced into the airflow path 522 through the air hole 524c to enter the lower end of the stick.
  • shows the configuration introduced by . 8 shows an example in which a separate structure is installed to secure the length of the heating passage in the space 560 between the air inlet hole 122c and the airflow path 522 .
  • the concept of the air heater applied to FIGS. 7 and 8 can be applied to the structures of FIGS. 3 to 5 in the same way, and as described above, the concept of the air heater applied to FIGS. 3 to 5 is applied to FIGS. 7 and 8 It can also be applied to applied blade or needle type heaters.
  • it further includes a puffing sensor (not shown) that recognizes the user's puffing, but the second heater, which is an air heater, operates during the user's puffing.
  • the first heater that heats the stick and the second heater that is an air heater that heats the air are different and separated from each other, and it is good that each heater is independently controlled.
  • the puffing sensor may include a pressure sensor for detecting a change in pressure due to puffing, a sensor for detecting a change in resistance or inductance of a heating element due to puffing, and a temperature sensor for detecting temperature.
  • a puffing sensor for recognizing the user's puffing is further included, but the second heater operates in the first half and the second half of the number of puffings according to one-time use of the cigarette-type electronic cigarette and does not operate in the middle.
  • the number of puffs allowed for one use of a cigarette-type electronic cigarette stick is 14, when only the stick is heated, the amount of ACM in the first 1 to 5 puffs is relatively small, but the middle 6 to 9 puffs In the puff, the amount of ACM reaches the desired level, but in the latter 10 to 14 puffs, the amount of ACM drops again.
  • a puffing sensor for recognizing the user's puffing is further included, and the second heater is operated when the user puffs, but the first and second half of the number of puffings according to one-time use of the cigarette-type electronic cigarette
  • the second heater may operate in the middle and may not operate in the middle.
  • FIG. 10 is a sensory characteristic radar chart showing a comparison between the case of conventional pipe heating and the case of adding air heating to pipe heating, in particular, nicotine delivery, ACM consistency, and nicotine delivery and maintenance It was confirmed that satisfactory aerosolization proceeded in the entire cross-sectional area of the cigarette-type electronic cigarette stick by showing a remarkably excellent effect in terms of nicotine delivery consistency characteristics.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Resistance Heating (AREA)

Abstract

La présente invention concerne un générateur d'aérosol portatif comprenant : une première cavité cylindrique dans laquelle au moins une partie d'un tabac à chauffage sans combustion ayant une partie filtre au niveau de son extrémité supérieure et une partie extrémité inférieure au niveau du côté opposé de celui-ci peut être insérée, et qui correspond à la forme extérieure du tabac à chauffage sans combustion ; un premier dispositif de chauffage pouvant chauffer le tabac à chauffage sans combustion inséré dans la cavité ; une seconde voie de courant d'air cylindrique qui est en communication fluidique avec la partie inférieure de la cavité de façon à fournir un écoulement d'air dans la partie extrémité inférieure du tabac à chauffage sans combustion lorsqu'un utilisateur aspire une bouffée du tabac à chauffage sans combustion, et qui a un diamètre plus petit que celui du premier cylindre ; et un second dispositif de chauffage pour chauffer de l'air, l'air chauffé par le second dispositif de chauffage étant injecté dans la partie extrémité inférieure du tabac à chauffage sans combustion par la voie de courant d'air.
PCT/KR2022/019300 2021-11-30 2022-11-30 Générateur d'aérosol portatif WO2023101452A1 (fr)

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KR20230124514A (ko) 2023-08-25

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